Is Q235 steel and 20# steel the same kind of steel?

Q235 steel and 20# steel are not the same kind of steel. Q235 steel is mainly used to make steel bar, steel plate and section steel. In construction, 20# steel is mainly used in machining. Both the two kinds of steel are easy to find stock on the market.

Q235 steel belongs to carbon structural steel, also known as ordinary carbon structural steel. The Q235 steel does not contain alloy elements specially added. It is mainly used in construction, rolling steel bars, sections, steel plates, etc.. Q235 steel is mainly used in bridges, workshops, ships and other buildings and projects. Generally no heat treatment is required.

20# steel belongs to high-quality carbon structural steel, commonly known as high-quality steel, this steel does not specially add alloy elements, mainly used for manufacturing machine structure. 20# steel is a kind of steel with large circulation in the steel market.